Leonard P Kopia

US Patent:

40629961, Dec 13, 1977

Filed:

Jun 18, 1973

Appl. No.:

5/370999

Inventors:

Lloyd S. Keafer - Yorktown VA
Ernest E. Burcher - Newport News VA
Leonard P. Kopia - Newport News VA

Assignee:

The United States of America as represented by the Administrator of the
National Aeronautics and Space Administration - Washington DC

International Classification:

G02B 1314
B32B 1900

US Classification:

428334

Abstract:

An ultraviolet grade fused silica substrate is coated with vaporized fused silica. The coating thickness is controlled, one thickness causing ultraviolet light to diffuse and another thickness causing ultraviolet light to reflect a near Lambertian pattern.